CN112849274B - Frame beam of vehicle body engine room - Google Patents
Frame beam of vehicle body engine room Download PDFInfo
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- CN112849274B CN112849274B CN202110348851.5A CN202110348851A CN112849274B CN 112849274 B CN112849274 B CN 112849274B CN 202110348851 A CN202110348851 A CN 202110348851A CN 112849274 B CN112849274 B CN 112849274B
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- cross beam
- mounting bracket
- vertical plate
- fixedly connected
- longitudinal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/082—Engine compartments
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to a frame cross beam of a vehicle body cabin, which comprises a front cross beam, a rear cross beam, a motor mounting bracket, a middle longitudinal beam, a right longitudinal beam and a first mounting bracket, wherein the rear cross beam is arranged behind the front cross beam, the front end part of the motor mounting bracket is fixedly connected with the left end part of the front cross beam, the rear end part of the motor mounting bracket is fixedly connected with the left end part of the rear cross beam, the front end part of the middle longitudinal beam is fixedly connected with the middle part of the front cross beam, the rear end part of the middle longitudinal beam is fixedly connected with the middle part of the rear cross beam, the front end part of the right longitudinal beam is fixedly connected with the right end part of the front cross beam, the rear end part of the right longitudinal beam is fixedly connected with the right end part of the rear cross beam, the front part of the first mounting bracket is fixedly connected with the left end part of the rear cross beam, and the left part of the first mounting bracket is fixedly connected with the motor mounting bracket. The invention can improve the strength of the frame beam of the vehicle body cabin.
Description
Technical Field
The invention relates to automobile parts, in particular to a frame beam of a car body cabin.
Background
The existing electric automobile body cabin frame beam is generally made of sectional materials in a secondary welding mode, the secondary welding mode has the problem of large deformation, and meanwhile, the existing body cabin frame beam is low in strength and easy to deform when the electric automobile collides.
Disclosure of Invention
The invention aims to provide a vehicle body cabin frame cross beam to improve the strength of the vehicle body cabin frame cross beam.
The invention relates to a frame beam of a vehicle body cabin, which comprises a front beam, a rear beam, a motor mounting bracket, a middle longitudinal beam, a right longitudinal beam and a first mounting bracket, wherein the rear beam is arranged behind the front beam, the front end part of the motor mounting bracket is fixedly connected with the left end part of the front beam, the rear end part of the motor mounting bracket is fixedly connected with the left end part of the rear beam, the front end part of the middle longitudinal beam is fixedly connected with the middle part of the front beam, the rear end part of the middle longitudinal beam is fixedly connected with the middle part of the rear beam, the front end part of the right longitudinal beam is fixedly connected with the right end part of the front beam, the rear end part of the right longitudinal beam is fixedly connected with the right end part of the rear beam, the front part of the first mounting bracket is fixedly connected with the left end part of the front beam, the rear part of the first mounting bracket is fixedly connected with the left end part of the rear beam, and the left part of the first mounting bracket is fixedly connected with the motor mounting bracket.
Further, first installing support includes first vertical plate, certainly first preceding riser of the preceding edge downwardly extending of first vertical plate, certainly first back riser of the back edge downwardly extending of first vertical plate and certainly the first left riser of the left side edge downwardly extending of first vertical plate, the lower border of first preceding riser be equipped with the first preceding turn-ups of the left part overlap joint of front beam, the lower border of first back riser be equipped with the first back turn-ups of the left part overlap joint of back beam, the lower border of first left riser be equipped with the first left turn-ups of motor installing support overlap joint.
The front vertical plate is arranged on the front edge of the first longitudinal plate, the rear vertical plate is arranged on the rear edge of the second longitudinal plate, a second front vertical plate extends downwards, and a second rear vertical plate extends downwards, the lower edge of the second front vertical plate is provided with a second front flanging overlapped with the middle of the front cross beam, and the lower edge of the second rear vertical plate is provided with a second rear flanging overlapped with the middle of the rear cross beam.
Further, the first mounting bracket is a controller left mounting bracket, and the second mounting bracket is a controller right mounting bracket.
The third mounting support comprises a third longitudinal plate, a third front vertical plate and a third rear vertical plate, the third front vertical plate extends downwards from the front edge of the third longitudinal plate, the third rear vertical plate extends downwards from the rear edge of the third longitudinal plate, a third front flanging is arranged on the lower edge of the third front vertical plate and is in lap joint with the right part of the front cross beam, and a third rear flanging is arranged on the lower edge of the third rear vertical plate and is in lap joint with the right part of the rear cross beam.
Further, the third mounting bracket is a PTC mounting bracket.
Furthermore, the middle part of the front cross beam is fixedly connected with a kettle mounting bracket.
Further, a water pump mounting bracket is fixedly connected to the front cross beam and/or the right longitudinal beam.
Furthermore, a left suspension is connected to the motor mounting bracket, and a right suspension is connected to the right longitudinal beam.
Further, the front beam includes the front beam upper plate and is located the front beam lower plate of front beam upper plate downside, the rear beam includes the rear beam upper plate and is located the rear beam lower plate of rear beam upper plate downside, the centre longeron includes the centre longeron upper plate and is located the centre longeron lower plate of centre longeron upper plate downside, the right side longeron includes the right longeron upper plate and is located the right longeron lower plate of right longeron upper plate downside, the front beam upper plate the front beam lower plate the rear beam upper plate the rear beam lower plate the centre longeron upper plate the centre longeron lower plate the right longeron upper plate and the right longeron lower plate is in the same place through the mode fixed connection of spot welding.
The invention has at least the following advantages:
1) The front cross beam, the rear cross beam, the motor mounting bracket, the middle longitudinal beam and the right longitudinal beam are connected to form a frame structure shaped like a Chinese character 'ri', so that the strength of the frame cross beam of the cabin of the automobile body can be improved;
2) The first mounting bracket, the second mounting bracket and the third mounting bracket are reasonably arranged, so that the strength of the frame beam of the vehicle body cabin can be improved while mounting positions are provided for other parts;
3) The front beam upper plate, the front beam lower plate, the rear beam upper plate, the rear beam lower plate, the middle longitudinal beam upper plate, the middle longitudinal beam lower plate, the right longitudinal beam upper plate and the right longitudinal beam lower plate are fixedly connected together in a spot welding mode, and the device has the advantages of small deformation and higher hole site precision; all the pieces are sheet metal stamping parts, the price of stamping plate raw materials is lower than that of profiles, the production efficiency of the stamping parts is high, and batch production is facilitated;
4) The vehicle body cabin frame cross beam can be flexibly connected to the cabin longitudinal beam through the left suspension and the right suspension, and the vibration damping effect is obvious in direct rigid connection with the cabin longitudinal beam, and the NVH performance is improved by 12%.
Drawings
FIG. 1 is a schematic structural view of a frame cross member of a vehicle body cabin according to an embodiment;
FIG. 2 is an exploded view of a body nacelle frame cross member according to an embodiment;
FIG. 3 is an exploded view of the front cross member, rear cross member, center longitudinal member and right longitudinal member of the embodiment;
FIG. 4 is a schematic structural view of a front cross member, a rear cross member, a motor mounting bracket, a middle longitudinal member and a right longitudinal member according to the embodiment;
fig. 5 is a schematic view of the installation of the left and right suspensions in the embodiment.
In the figure: 1-front beam; 2-rear cross beam; 3, mounting a bracket for the motor; 4-middle longitudinal beam; 5-right longitudinal beam; 6, mounting a bracket on the left of the controller; 7, mounting a bracket on the right side of the controller; 8-PTC mounting bracket; 9-a kettle mounting bracket; 10-a water pump mounting bracket; 11-a first longitudinal plate; 12 — a first rear riser; 13-first back flanging; 14-a second longitudinal plate; 15-a second rear riser; 16-second back flanging; 17-a third longitudinal plate; 18-third rear riser; 19-third back flanging; 20, mounting a rear cross beam; 21-lower piece of rear beam; 22-front beam upper piece; 23-lower piece of front beam; 24-middle longitudinal beam upper piece; 25-middle longitudinal beam lower piece; 26-right longitudinal beam upper piece; 27-right longitudinal beam lower piece; 28-left suspension; 29-right suspension.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1 to 5, a vehicle body cabin frame beam comprises a front beam 1, a rear beam 2, a motor mounting bracket 3, a middle longitudinal beam 4, a right longitudinal beam 5 and a first mounting bracket, wherein the rear beam 2 is arranged behind the front beam 1, the front end of the motor mounting bracket 3 is fixedly connected with the left end of the front beam 1, the rear end of the motor mounting bracket 3 is fixedly connected with the left end of the rear beam 2, the front end of the middle longitudinal beam 4 is fixedly connected with the middle of the front beam 1, the rear end of the middle longitudinal beam 4 is fixedly connected with the middle of the rear beam 2, the front end of the right longitudinal beam 5 is fixedly connected with the right end of the front beam 1, the rear end of the right longitudinal beam 5 is fixedly connected with the right end of the rear beam 2, the front of the first mounting bracket is fixedly connected with the left end of the front beam 1, and the left of the first mounting bracket is fixedly connected with the motor mounting bracket 3.
In this embodiment, the first mounting bracket includes the first vertical plate 11, the first front riser that downwardly extends from the front edge of the first vertical plate 11, the first back riser 12 that downwardly extends from the back edge of the first vertical plate 11 and the first left riser that downwardly extends from the left edge of the first vertical plate 11, the lower edge of the first front riser is provided with the first front flange that overlaps with the left part of the front cross beam 1, the lower edge of the first back riser 12 is provided with the first back flange 13 that overlaps with the left part of the back cross beam 2, the lower edge of the first left riser is provided with the first left flange that overlaps with the motor mounting bracket 3, and the first mounting bracket forms a box-shaped reinforcing structure. The overlap may be achieved by, but not limited to, spot welding or bolting.
In this embodiment, the installation support further comprises a second installation support, the second installation support comprises a second longitudinal plate 14, a second front vertical plate extending downwards from the front edge of the second longitudinal plate 14, and a second rear vertical plate 15 extending downwards from the rear edge of the second longitudinal plate 14, a second front flange overlapping with the middle part of the front cross beam 1 is arranged on the lower edge of the second front vertical plate, and a second rear flange 16 overlapping with the middle part of the rear cross beam 2 is arranged on the lower edge of the second rear vertical plate 15. The second mounting bracket corresponds to the middle longitudinal beam 4 in position to form a frame-shaped reinforcing structure.
In this embodiment, the first mounting bracket is a left controller mounting bracket 6, the second mounting bracket is a right controller mounting bracket 7, and holes for mounting the controller are formed in the left controller mounting bracket 6 and the right controller mounting bracket 7.
In this embodiment, the mounting bracket further comprises a third mounting bracket, the third mounting bracket comprises a third longitudinal plate 17, a third front vertical plate extending downwards from the front edge of the third longitudinal plate 17, and a third rear vertical plate 18 extending downwards from the rear edge of the third longitudinal plate 17, a third front flange overlapping with the right part of the front cross beam 1 is arranged on the lower edge of the third front vertical plate, a third rear flange 19 overlapping with the right part of the rear cross beam 2 is arranged on the lower edge of the third rear vertical plate 18, and the third mounting bracket forms a reinforcing structure between the right part of the front cross beam 1 and the right part of the rear cross beam 2. In this embodiment, the third mounting bracket is a PTC mounting bracket 8.
In this embodiment, a kettle mounting bracket 9 is fixedly connected to the middle of the front cross beam 1.
In the embodiment, a water pump mounting bracket 10 is fixedly connected to the front cross beam 1 and/or the right longitudinal beam 5.
In the embodiment, the motor mounting bracket 3 is connected with a left suspension 28, the right longitudinal beam 5 is connected with a right suspension 29, and the vehicle body cabin frame cross beam can be connected with the cabin longitudinal beam through the left suspension 28 and the right suspension 29.
In this embodiment, the front beam 1 includes a front beam upper piece 22 and a front beam lower piece 23 located on the lower side of the front beam upper piece 22, the rear beam 2 includes a rear beam upper piece 20 and a rear beam lower piece 21 located on the lower side of the rear beam upper piece 20, the middle beam 4 includes a middle beam upper piece 24 and a middle beam lower piece 25 located on the lower side of the middle beam upper piece 24, the right beam 5 includes a right beam upper piece 26 and a right beam lower piece 27 located on the lower side of the right beam upper piece 26, the front beam upper piece 22, the front beam lower piece 23, the rear beam upper piece 20, the rear beam lower piece 21, the middle beam upper piece 24, the middle beam lower piece 25, the right beam upper piece 26 and the right beam lower piece 27 are fixedly connected together in a manner of clamping and welding by spot welding of electrodes to form an "open" shaped frame structure.
Claims (6)
1. A car body cabin frame crossbeam which characterized in that: the rear cross beam is arranged behind the front cross beam (1), the front end of the motor mounting support (3) is fixedly connected with the left end of the front cross beam (1), the rear end of the motor mounting support (3) is fixedly connected with the left end of the rear cross beam (2), the front end of the middle longitudinal beam (4) is fixedly connected with the middle of the front cross beam (1), the rear end of the middle longitudinal beam (4) is fixedly connected with the middle of the rear cross beam (2), the front end of the right longitudinal beam (5) is fixedly connected with the right end of the front cross beam (1), the rear end of the right longitudinal beam (5) is fixedly connected with the right end of the rear cross beam (2), the front of the first mounting support is fixedly connected with the left end of the front cross beam (1), the rear of the first mounting support is fixedly connected with the left end of the rear cross beam (2), and the first mounting support is fixedly connected with the left end of the rear cross beam (2);
the first mounting bracket comprises a first longitudinal plate (11), a first front vertical plate extending downwards from the front edge of the first longitudinal plate (11), a first rear vertical plate (12) extending downwards from the rear edge of the first longitudinal plate (11) and a first left vertical plate extending downwards from the left edge of the first longitudinal plate (11), a first front flanging overlapping with the left part of the front cross beam (1) is arranged on the lower edge of the first front vertical plate, a first rear flanging (13) overlapping with the left part of the rear cross beam (2) is arranged on the lower edge of the first rear vertical plate (12), and a first left flanging overlapping with the motor mounting bracket (3) is arranged on the lower edge of the first left vertical plate;
the mounting structure comprises a front cross beam (1) and a rear cross beam (2), and is characterized by further comprising a second mounting support, wherein the second mounting support comprises a second longitudinal plate (14), a second front vertical plate and a second rear vertical plate (15), the second front vertical plate extends downwards from the front edge of the second longitudinal plate (14), the second rear vertical plate extends downwards from the rear edge of the second longitudinal plate (14), a second front flanging is arranged on the lower edge of the second front vertical plate and is in lap joint with the middle of the front cross beam (1), and a second rear flanging (16) is arranged on the lower edge of the second rear vertical plate (15) and is in lap joint with the middle of the rear cross beam (2);
still include the third installing support, the third installing support include third vertical plate (17), certainly preceding riser of the preceding edge downwardly extending of third vertical plate (17) and certainly riser (18) behind the back edge downwardly extending of third vertical plate (17), the lower border of riser before the third be equipped with turn-ups before the overlap joint of the right part of front beam (1), the lower border of riser (18) behind the third be equipped with turn-ups (19) behind the overlap joint of the right part of rear beam (2).
2. The vehicle body nacelle frame rail of claim 1, wherein: the first mounting bracket is a controller left mounting bracket (6), and the second mounting bracket is a controller right mounting bracket (7).
3. The vehicle body nacelle frame rail of claim 1, wherein: the third mounting bracket is a PTC mounting bracket (8).
4. The vehicle body nacelle frame rail of claim 1, wherein: the middle part of the front cross beam (1) is fixedly connected with a kettle mounting bracket (9).
5. The vehicle body nacelle frame rail of claim 1, wherein: and the front cross beam (1) and/or the right longitudinal beam (5) are fixedly connected with a water pump mounting bracket (10).
6. The vehicle body nacelle frame rail of claim 1, wherein: the motor mounting bracket (3) is connected with a left suspension (28), and the right longitudinal beam (5) is connected with a right suspension (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110348851.5A CN112849274B (en) | 2021-03-31 | 2021-03-31 | Frame beam of vehicle body engine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110348851.5A CN112849274B (en) | 2021-03-31 | 2021-03-31 | Frame beam of vehicle body engine room |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112849274A CN112849274A (en) | 2021-05-28 |
| CN112849274B true CN112849274B (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110348851.5A Active CN112849274B (en) | 2021-03-31 | 2021-03-31 | Frame beam of vehicle body engine room |
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| Country | Link |
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| CN (1) | CN112849274B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115257943A (en) * | 2022-07-20 | 2022-11-01 | 岚图汽车科技有限公司 | Front cabin assembly and vehicle |
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| CN101879862A (en) * | 2010-07-30 | 2010-11-10 | 重庆长安汽车股份有限公司 | Transmission mounting bracket for automobile |
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| CN112849274A (en) | 2021-05-28 |
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